xworm | c2b31974c504751cb32c910ecd190886d0fbe2fd835bd4c9c24ed1d568915c56

General

Target

c2b31974c504751cb32c910ecd190886d0fbe2fd835bd4c9c24ed1d568915c56.exe
Size

735KB
MD5

d3ac21fafb589042a7012f5992ba2074
SHA1

6a6dfd5cca3055e112bf03f73fb00eb3c434ab55
SHA256

c2b31974c504751cb32c910ecd190886d0fbe2fd835bd4c9c24ed1d568915c56
SHA512

e89acf2e26ba009e8d571f6f2bdb11a1c6d71fedfee45ac4d6f057c6feb99a7eb627255e120c7c3f7613d6b8b20ae85e23e684ac024ed69187173ac13b93c1cd
SSDEEP

12288:hyveQB/fTHIGaPkKEYzURNAwbAgUb47Om2u/eciUAWSTgL1GFrXjcufkv5+jR:huDXTIGaPhEYzUzA0oegbcthGFrXjZkE

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

C2

127.0.0.1:8848

23.ip.gl.ply.gg:8848

Attributes

Install_directory
%AppData%
install_file
svchost.exe

Signatures

Detect Xworm Payload 2 IoCs

Processes:

resource	yara_rule
behavioral1/files/0x000800000001956c-28.dat	family_xworm
behavioral1/memory/2768-36-0x0000000000910000-0x0000000000926000-memory.dmp	family_xworm

Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm
Xworm family
xworm

Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

Processes:

powershell.exepowershell.exepowershell.exepowershell.exe

pid	Process
2652	powershell.exe
2200	powershell.exe
2368	powershell.exe
1796	powershell.exe

Executes dropped EXE 1 IoCs

Processes:

ปลด.exe

pid	Process
2768	ปลด.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

ปลด.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe"	ปลด.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

powershell.exepowershell.exepowershell.exepowershell.exeปลด.exe

pid	Process
2652	powershell.exe
2200	powershell.exe
2368	powershell.exe
1796	powershell.exe
2768	ปลด.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

ปลด.exepowershell.exepowershell.exepowershell.exepowershell.exe

description	pid	Process
Token: SeDebugPrivilege	2768	ปลด.exe
Token: SeDebugPrivilege	2652	powershell.exe
Token: SeDebugPrivilege	2200	powershell.exe
Token: SeDebugPrivilege	2368	powershell.exe
Token: SeDebugPrivilege	1796	powershell.exe
Token: SeDebugPrivilege	2768	ปลด.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

ปลด.exe

pid	Process
2768	ปลด.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

c2b31974c504751cb32c910ecd190886d0fbe2fd835bd4c9c24ed1d568915c56.exeปลด.exe

description	pid	Process	procid_target
PID 2720 wrote to memory of 2768	2720	c2b31974c504751cb32c910ecd190886d0fbe2fd835bd4c9c24ed1d568915c56.exe	30
PID 2720 wrote to memory of 2768	2720	c2b31974c504751cb32c910ecd190886d0fbe2fd835bd4c9c24ed1d568915c56.exe	30
PID 2720 wrote to memory of 2768	2720	c2b31974c504751cb32c910ecd190886d0fbe2fd835bd4c9c24ed1d568915c56.exe	30
PID 2768 wrote to memory of 2652	2768	ปลด.exe	31
PID 2768 wrote to memory of 2652	2768	ปลด.exe	31
PID 2768 wrote to memory of 2652	2768	ปลด.exe	31
PID 2768 wrote to memory of 2200	2768	ปลด.exe	33
PID 2768 wrote to memory of 2200	2768	ปลด.exe	33
PID 2768 wrote to memory of 2200	2768	ปลด.exe	33
PID 2768 wrote to memory of 2368	2768	ปลด.exe	35
PID 2768 wrote to memory of 2368	2768	ปลด.exe	35
PID 2768 wrote to memory of 2368	2768	ปลด.exe	35
PID 2768 wrote to memory of 1796	2768	ปลด.exe	37
PID 2768 wrote to memory of 1796	2768	ปลด.exe	37
PID 2768 wrote to memory of 1796	2768	ปลด.exe	37

C:\Users\Admin\AppData\Local\Temp\c2b31974c504751cb32c910ecd190886d0fbe2fd835bd4c9c24ed1d568915c56.exe
"C:\Users\Admin\AppData\Local\Temp\c2b31974c504751cb32c910ecd190886d0fbe2fd835bd4c9c24ed1d568915c56.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2720
- C:\Users\Admin\AppData\Local\Temp\RarSFX0\ปลด.exe
  "C:\Users\Admin\AppData\Local\Temp\RarSFX0\ปลด.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2768
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\RarSFX0\ปลด.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2652
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'ปลด.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2200
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\svchost.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2368
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1796

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\RarSFX0\ปลด.exe

Filesize
65KB

MD5
a356439997ad4bd9aafc0a4fb2501fdc

SHA1
d649fa1832d93897870c3b2484aafe54139f2b3b

SHA256
f751f56495127c3898115add02e4f02d73c3dca5baddbca19adfa0f552bf0060

SHA512
827c13b02ddda8b1b41d678b57c6cd93ad4f956e53bb7519748dc7389ea9f3602a92c2811ac0f1f8f70487c6e13519fcb663ee55a2d45128aefde9fac09d7afb

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
e5cbeb4a7afcabf3fb8455860fa053e0

SHA1
88b5a7cfae063e7346a18ed4aad88285b3cf5716

SHA256
b0a0c1cac5f4eead12075cb19113220e89d9b7799829c213d95daddb2dbe45ba

SHA512
b2de47a8bdac5c29f9c4dd81619320636d6ad390fa532b4e1f4c200644368c431cdd1a5c7a5fd429400e51a334a024ac05d7d9f250a7ddb6bce4a05e13b75b7d

Download Submit
\??\PIPE\srvsvc

MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
memory/2200-48-0x000000001B8D0000-0x000000001BBB2000-memory.dmp

Filesize
2.9MB

Download
memory/2200-49-0x0000000001F80000-0x0000000001F88000-memory.dmp

Filesize
32KB

Download
memory/2652-41-0x000000001B6A0000-0x000000001B982000-memory.dmp

Filesize
2.9MB

Download
memory/2652-42-0x0000000002240000-0x0000000002248000-memory.dmp

Filesize
32KB

Download
memory/2768-35-0x000007FEF5D33000-0x000007FEF5D34000-memory.dmp

Filesize
4KB

Download
memory/2768-36-0x0000000000910000-0x0000000000926000-memory.dmp

Filesize
88KB

Download
memory/2768-62-0x000007FEF5D30000-0x000007FEF671C000-memory.dmp

Filesize
9.9MB

Download
memory/2768-63-0x000007FEF5D33000-0x000007FEF5D34000-memory.dmp

Filesize
4KB

Download
memory/2768-64-0x000007FEF5D30000-0x000007FEF671C000-memory.dmp

Filesize
9.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads